{"product_id":"national-instruments-pci-6521","title":"National Instruments PCI-6521","description":"\u003cp\u003eThe National Instruments PCI-6521 is a high-performance digital I\/O module designed for industrial automation applications. With a part number of 779312-01, this device features a robust channel configuration, offering eight source\/sink input lines and eight electromechanical relay output lines capable of handling up to 150 Vac\/Vcc. The maximum input voltage is rated at ±30 VDC, with a maximum input current of 12.5 mA per line, ensuring versatile connectivity and control. It incorporates advanced safety features such as computerized I\/O watchdogs, which activate customizable safe output states in case of errors, thus facilitating a secure recovery from fault conditions. The module is equipped with programmable power states, digital filtering, and change detection, providing comprehensive control for various applications. The PCI-6521 operates reliably within Windows environments, even during critical software interruptions.\u003c\/p\u003e\n\n\u003cp\u003eThe device is UL-certified, reflecting its compliance with established safety standards to guarantee secure operation. A keyed 37-pin male D-SUB connector prevents accidental connections between high and low voltage devices, while protective covers on both sides enhance user safety. The PCI-6521 operates with a +5 VDC power requirement at 600 mA and measures 6.9 inches by 3.9 inches, weighing 0.37 pounds. It is compatible with NI-DAQ 7.5 and NI-DAQmx driver software, making it a suitable choice for engineers seeking reliable and dependable digital I\/O solutions. For additional information, user manuals are available for download, and interested parties can contact a sales representative for pricing details.\u003c\/p\u003e","brand":"National Instruments","offers":[{"title":"Default Title","offer_id":46683814920428,"sku":"PCI-6521","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/National_Instruments_Group_Photo_-_Final_Compressed_633172a8-decf-4d45-a36c-3f0a053a6bd7.jpg?v=1753243036","url":"https:\/\/www.industrialautomationco.com\/products\/national-instruments-pci-6521","provider":"Industrial Automation Co.","version":"1.0","type":"link"}